GI high vacuum butterfly valve is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases.
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主要技术性能 Main Technical Performance
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适用范围:Applicability
105~1.3×10-4Pa
阀门漏率:Valve Leak Rate
≤1.3×10-4Pa.L/S.
适用温度:Applicable Temperature
-25~+80℃(丁腈橡胶) -30~+150℃(氟橡胶)
安装方向:Mounting Direction
任意
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主要零件材料 Materials of Main Parts
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阀体、阀盖、阀杆:碳钢或不锈钢 密封件:丁腈橡胶、氟橡胶。
Body, bonnet and stem: carbon steel or stainless steel Sealing element: NBR, Viton